Cup holder



FIG. 1 is a perspective view of the cup holder.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a top side view thereof.

FIG. 5 is a bottom side view thereof; and,

FIG. 6 is a right side view thereof, the left side view being a mirror image of the right side view.

The cup holder mount, and the inner and bottom surface portions shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a cup holder, as shown and described. 